21096774

素因数分解:

$2^1\times 3^5\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 48065472

約数和(自身を除く): 26968698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 243, 249, 486, 498, 523, 747, 1046, 1494, 1569, 2241, 3138, 4482, 4707, 6723, 9414, 13446, 14121, 20169, 28242, 40338, 42363, 43409, 84726, 86818, 127089, 130227, 254178, 260454, 390681, 781362, 1172043, 2344086, 3516129, 7032258, 10548387, 21096774]

約数ペア:

[(1, 21096774), (2, 10548387), (3, 7032258), (6, 3516129), (9, 2344086), (18, 1172043), (27, 781362), (54, 390681), (81, 260454), (83, 254178), (162, 130227), (166, 127089), (243, 86818), (249, 84726), (486, 43409), (498, 42363), (523, 40338), (747, 28242), (1046, 20169), (1494, 14121), (1569, 13446), (2241, 9414), (3138, 6723), (4482, 4707)]